Knowledge Base
Browse the concepts behind Truestamp. Follow the links between concepts, or search across everything.
Tagged: authorship
5
Library
Poor Man's Copyright
The folk practice of mailing a sealed copy of your own work to yourself so the postal postmark serves as a dated third-party proof the contents existed by that date, with its copyright, authorship, and timestamping limits.
Sealed Deposits with Learned Societies
How scientists secured priority by lodging a dated, signed sealed note with a learned society (the French pli cachete, the Soleau envelope), fixing a date without disclosing the content until the seal was opened.
Witnessed and Notarized Laboratory Notebooks
How inventors used bound, dated, countersigned or notarized laboratory notebooks to prove priority, authorship, and a not-later-than date under the historical US first-to-invent patent regime.